Finding the Fourth Proportional to 242.99, 364.08 and 170.72
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Solution
The fourth proportional to 242.99, 364.08 and 170.72 is: 255.79
Step by Step Solution
- Step 1: Write the proportion equation
242.99 : 364.08 = 170.72 : x - Step 2: Convert to fraction form
242.99/364.08 = 170.72/x - Step 3: Cross multiply
242.99x = 364.08 × 170.72 - Step 4: Simplify right side
242.99x = 62,153.97 - Step 5: Solve for x
x = 62,153.97/242.99 - Step 6: Final answer
x = 255.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.